Jens Lehmann has offered his honest verdict on if Arsenal can repeat the Invincibles, plus if Liverpool or Manchester City will ever go a Premier League season unbeaten. It is now 20 years since Arsene Wenger led Arsenal to win the only golden trophy in Premier League history. He oversaw 26 wins, 12 draws and zero defeats through 38 games to lift the title by 11 points. The Gunners saw out 2003/04 on 90 points with 73 goals to 26 conceded. The Invincibles also sealed the third Premier League title in Arsenal’s trophy cabinet and the Gunners’ 13th top-flight title overall. But it is still their…